Southern Ocean Sentinels

This video discusses two key signs of global change in the Southern Ocean: changes in Antarctic bottom water and ocean acidification.

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ABC, Australia

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Teaching Tips

Teaching Tips

This could be used in a lesson on climate change, oceanography, marine science, ecology, and chemistry.

Ocean acidification, while not directly impacting the climate system, is the result of the oceans soaking up much of the CO2 emitted into the atmosphere, resulting in a potentially catastrophic impact on the ocean ecosystem.